Home / 69,075.71-95,329.98-38,859.21

Finding the Fourth Proportional to 69,075.71, 95,329.98 and 38,859.21

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Solution

The fourth proportional to 69,075.71, 95,329.98 and 38,859.21 is: 53,628.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,075.71 : 95,329.98 = 38,859.21 : x
  2. Step 2: Convert to fraction form
    69,075.71/95,329.98 = 38,859.21/x
  3. Step 3: Cross multiply
    69,075.71x = 95,329.98 × 38,859.21
  4. Step 4: Simplify right side
    69,075.71x = 3,704,447,712.12
  5. Step 5: Solve for x
    x = 3,704,447,712.12/69,075.71
  6. Step 6: Final answer
    x = 53,628.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.